复合套铣打捞简的研制与应用

随着油田的进一步开发，井下事故频繁发生，套铣打捞工艺也就应运而生。复合套铣打捞筒是把工具下到鱼顶位置，套铣使下落物进入到找捞筒内，管柱旋转，打捞筒抓住落物随管柱提出井外。在十几口井的大修和小修作业施工中，进行了成功运用。实践证明，该技术省时、省力，有明显的经济效益，具有较好的应用前景。

Development and Application of Composite Washover and Fishing Cylinder

Aimming at the accidents happened under holes frequently with the development of the oilfield,a composite washover and fishing technology was developed,in which the special tool is put down on the top of the fish in fish cylinder,the washover make the fishing enter into the cylinder,and the rotating cylinder grab the fishing and lift onto the surface of the well.The technology has been successfully used in major and minor repair operation in more than ten wells.